package Aop;

import org.apache.log4j.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

import java.util.Arrays;

@Aspect
public class ShowLogger {

    private static  final Logger log= Logger.getLogger(ShowLogger.class);

    @Pointcut("execution(* service.ShowService.*(..))")
    public void pointcut(){

    }
    @Before("pointcut()")
    public void before(JoinPoint jp){
        log.info("调用"+jp.getTarget()+"的 "+jp.getSignature().getName()+"方法 。方法入参："+ Arrays.toString(jp.getArgs()));
    }
    @AfterReturning(pointcut = "pointcut()",returning = "returnValue")
    public void afterReturning(JoinPoint jp, Object returnValue){
        log.info("调用"+jp.getTarget()+"的 "+jp.getSignature().getName()+"方法 。方法返回值："+ returnValue);
    }
}
